BRUSSELS — The EU is discussing contingency plans in case its longtime antagonist, Viktor Orbán, wins another term. EU countries are floating several ideas to prevent the Hungarian prime minister — and, in some cases, any other troublesome leader — from derailing how the bloc operates, 10 EU diplomats told POLITICO. They include changing how votes are cast, withholding more funding, and even expulsion. “Respect for the rule of law is essential for access to EU funds,” Michael McGrath, the